Home / 54,564.10-81,769.35-40,413.70

Finding the Fourth Proportional to 54,564.10, 81,769.35 and 40,413.70

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Solution

The fourth proportional to 54,564.10, 81,769.35 and 40,413.70 is: 60,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.10 : 81,769.35 = 40,413.70 : x
  2. Step 2: Convert to fraction form
    54,564.10/81,769.35 = 40,413.70/x
  3. Step 3: Cross multiply
    54,564.10x = 81,769.35 × 40,413.70
  4. Step 4: Simplify right side
    54,564.10x = 3,304,601,980.10
  5. Step 5: Solve for x
    x = 3,304,601,980.10/54,564.10
  6. Step 6: Final answer
    x = 60,563.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.